Home / 9,863.19-13,610.94-5,386.92

Finding the Fourth Proportional to 9,863.19, 13,610.94 and 5,386.92

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Solution

The fourth proportional to 9,863.19, 13,610.94 and 5,386.92 is: 7,433.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,863.19 : 13,610.94 = 5,386.92 : x
  2. Step 2: Convert to fraction form
    9,863.19/13,610.94 = 5,386.92/x
  3. Step 3: Cross multiply
    9,863.19x = 13,610.94 × 5,386.92
  4. Step 4: Simplify right side
    9,863.19x = 73,321,044.90
  5. Step 5: Solve for x
    x = 73,321,044.90/9,863.19
  6. Step 6: Final answer
    x = 7,433.81

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.